31882240

素因数分解:

$2^{10}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{479}}^1$

素因数の和:517

約数の個数: 88

約数和(自身を含む): 82535040

約数和(自身を除く): 50652800

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 479, 512, 520, 640, 832, 958, 1024, 1040, 1280, 1664, 1916, 2080, 2395, 2560, 3328, 3832, 4160, 4790, 5120, 6227, 6656, 7664, 8320, 9580, 12454, 13312, 15328, 16640, 19160, 24908, 30656, 31135, 33280, 38320, 49816, 61312, 62270, 66560, 76640, 99632, 122624, 124540, 153280, 199264, 245248, 249080, 306560, 398528, 490496, 498160, 613120, 797056, 996320, 1226240, 1594112, 1992640, 2452480, 3188224, 3985280, 6376448, 7970560, 15941120, 31882240]

約数ペア:

[(1, 31882240), (2, 15941120), (4, 7970560), (5, 6376448), (8, 3985280), (10, 3188224), (13, 2452480), (16, 1992640), (20, 1594112), (26, 1226240), (32, 996320), (40, 797056), (52, 613120), (64, 498160), (65, 490496), (80, 398528), (104, 306560), (128, 249080), (130, 245248), (160, 199264), (208, 153280), (256, 124540), (260, 122624), (320, 99632), (416, 76640), (479, 66560), (512, 62270), (520, 61312), (640, 49816), (832, 38320), (958, 33280), (1024, 31135), (1040, 30656), (1280, 24908), (1664, 19160), (1916, 16640), (2080, 15328), (2395, 13312), (2560, 12454), (3328, 9580), (3832, 8320), (4160, 7664), (4790, 6656), (5120, 6227)]